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Chimichurri steak tacos on a plate with limes.
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5 from 1 vote

Chimichurri Steak Tacos

The most amazing steak tacos with chimichurri sauce, marinated flank steak, and pepperjack cheese. These are great for a snack or even a whole meal!
Prep Time15 minutes
Cook Time30 minutes
Marinate4 hours
Total Time4 hours 45 minutes
Course: Main Course
Cuisine: American
Servings: 4 servings
Calories: 777kcal
Author: Vincent DelGiudice
Cost: $20

Equipment

  • 1 medium cast iron pan

Ingredients

  • 1½ lb flank steak, marinated
  • ½ cup pepper jack cheese
  • ¼ red onion, sliced
  • 1 tablespoon avocado oil
  • 8 tortillas

Chimichurri Sauce

  • ½ cup parsley, chopped
  • ½ cup olive oil
  • 2 tablespoon lime juice
  • 1 tablespoon red wine vinegar
  • 1 shallot, minced
  • 2 cloves garlic, minced
  • 1 jalapeno, chopped
  • 1 teaspoon oregano
  • 1 teaspoon crushed red pepper
  • ½ teaspoon salt
  • ½ teaspoon pepper

Instructions

Chimichurri Sauce

  • Coarsely chop parsley until it is evenly cut. Combine in a bowl with shallots, garlic, jalapeno, oregano, crushed red pepper, salt, and pepper.
  • Gently whisk the olive oil and lime juice in the bowl with the rest of the ingredients, and set aside.

Steak Tacos

  • Combine ½ cup of chimichurri sauce in a bowl with the steak. Cover and marinate for 1-12 hours.
  • Remove the steak from the refrigerator 30-60 minutes before cooking. Heat a cast iron pan to medium-high heat. Add avocado oil and cook the steak for approximately 5 minutes on each side. This may need to be adjusted based on the weight and thickness of the steak. For medium rare, I pull the steak off between 125℉ and 130℉. Once you finish the steak, let it rest for 10 minutes. Slice the steak, against the grain. Look which way the striations run and cut across them.
  • Preheat the oven to 350 ℉. Place the tortillas on a pan and add pepper jack cheese. Heat in the oven until melted. Toss the steak with the remaining chimichurri sauce and add to the tortillas. Top with thinly sliced red onion and avocado. Serve with fresh lime juice and cilantro.

Notes

  1. Allow the steak to cook for at least 5 minutes without even touching it. The more you pick it up the more steam will be created. Get the best sear by letting it sit undisturbed. 
  2. Always slice the steak against the grain, especially for tacos and sandwiches. This will make it a lot easier to bite into so it doesn't feel like you have to tear the steak with your teeth. 

Nutrition

Calories: 777kcal | Carbohydrates: 36g | Protein: 45g | Fat: 48g | Saturated Fat: 12g | Polyunsaturated Fat: 5g | Monounsaturated Fat: 28g | Cholesterol: 115mg | Sodium: 620mg | Potassium: 722mg | Fiber: 3g | Sugar: 7g | Vitamin A: 109IU | Vitamin C: 2mg | Calcium: 242mg | Iron: 5mg